diff --git a/Gemfile b/Gemfile
index af45add..c3fef18 100644
--- a/Gemfile
+++ b/Gemfile
@@ -17,4 +17,4 @@ gem 'middleman-syntax', '~> 3.0.0'
 gem 'middleman-navtree'
 
 # Markdown parser:
-gem 'redcarpet', '~> 3.4.0'
+gem 'redcarpet', '~> 3.5.1'
diff --git a/Gemfile.lock b/Gemfile.lock
index 1cc1e80..56a6f01 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -98,7 +98,7 @@ GEM
     rb-fsevent (0.10.3)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    redcarpet (3.4.0)
+    redcarpet (3.5.1)
     rouge (2.2.1)
     sass (3.7.4)
       sass-listen (~> 4.0.0)
@@ -130,7 +130,7 @@ DEPENDENCIES
   middleman-navtree
   middleman-sprockets (~> 4.1)
   middleman-syntax (~> 3.0.0)
-  redcarpet (~> 3.4.0)
+  redcarpet (~> 3.5.1)
   sass (~> 3.4, >= 3.4.22)
 
 BUNDLED WITH